| | Mount Vernon, AL | Louisville, KY | United States |
| Rainfall | 65.3 | 46.2 | 38.1 |
| Snowfall | 0.1 | 8.7 | 27.8 |
| Precipitation Days | 112.4 | 115.3 | 106.2 |
| Sunny | 216 | 195 | 205 |
| Avg. July High | 91.3 | 87.6 | 85.8 |
| Avg. Jan. Low | 36.1 | 25.5 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.3 | 7 |
| UV Index | 5.6 | 4.3 | 4.3 |
| Elevation ft. | 36 | 518 | 2443 |